155810340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3989}}^1$

素因数の和:4042

約数の個数: 144

約数和(自身を含む): 557706240

約数和(自身を除く): 401895900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 3989, 4340, 5580, 6510, 7812, 7978, 9765, 11967, 13020, 15956, 19530, 19945, 23934, 27923, 35901, 39060, 39890, 47868, 55846, 59835, 71802, 79780, 83769, 111692, 119670, 123659, 139615, 143604, 167538, 179505, 239340, 247318, 251307, 279230, 335076, 359010, 370977, 418845, 494636, 502614, 558460, 618295, 718020, 741954, 837690, 865613, 1005228, 1112931, 1236590, 1256535, 1483908, 1675380, 1731226, 1854885, 2225862, 2473180, 2513070, 2596839, 3462452, 3709770, 4328065, 4451724, 5026140, 5193678, 5564655, 7419540, 7790517, 8656130, 10387356, 11129310, 12984195, 15581034, 17312260, 22258620, 25968390, 31162068, 38952585, 51936780, 77905170, 155810340]

約数ペア:

[(1, 155810340), (2, 77905170), (3, 51936780), (4, 38952585), (5, 31162068), (6, 25968390), (7, 22258620), (9, 17312260), (10, 15581034), (12, 12984195), (14, 11129310), (15, 10387356), (18, 8656130), (20, 7790517), (21, 7419540), (28, 5564655), (30, 5193678), (31, 5026140), (35, 4451724), (36, 4328065), (42, 3709770), (45, 3462452), (60, 2596839), (62, 2513070), (63, 2473180), (70, 2225862), (84, 1854885), (90, 1731226), (93, 1675380), (105, 1483908), (124, 1256535), (126, 1236590), (140, 1112931), (155, 1005228), (180, 865613), (186, 837690), (210, 741954), (217, 718020), (252, 618295), (279, 558460), (310, 502614), (315, 494636), (372, 418845), (420, 370977), (434, 359010), (465, 335076), (558, 279230), (620, 251307), (630, 247318), (651, 239340), (868, 179505), (930, 167538), (1085, 143604), (1116, 139615), (1260, 123659), (1302, 119670), (1395, 111692), (1860, 83769), (1953, 79780), (2170, 71802), (2604, 59835), (2790, 55846), (3255, 47868), (3906, 39890), (3989, 39060), (4340, 35901), (5580, 27923), (6510, 23934), (7812, 19945), (7978, 19530), (9765, 15956), (11967, 13020)]